Fig. 2From: Roles of multimodal intra-operative neurophysiological monitoring (IONM) in percutaneous endoscopic transforaminal lumbar interbody fusion: a case series of 113 patientsThe electrode placement position during PE-TLIF. a Vastus lateralis; b Abductor pedis; c Extensor pollicis longus; d Anal sphincter; e Posterior tibial nerve; f ground connection; g Transcranial electrode placementBack to article page